R 408.12032
R 408.12032 Signals; table 1.
Cite as Mich. Admin. Code R 408.12032
Rule 2032. (1) An operator shall respond to a signal only from the employee
directing a lift. However, the operator shall obey an emergency stop signal from any
employee at all times. The signals given an operator shall conform to table 1. When 2 or
more cranes are used to lift a load, a designated employee shall give all signals.
(2) Table 1 reads as follows:
Table 1
HOIST.
With forearm vertical,
forefinger
pointing
up,
move
hand
in
small
horizontal circle.
LOWER.
With
arm
extended
downward,
forefinger
pointing down, move hand
in small horizontal circles.
BRIDGE TRAVEL.
Arm extended forward,
hand
open
and
slightly
raised, make pushing motion
in direction of travel.
TROLLEY TRAVEL.
Palm up, fingers closed,
thumb pointing in direction
of
motion,
jerk
hand
horizontally.
STOP.
Arm Extended, palm
down,
hold
position
rigidly.
EMERGENCY STOP.
Arm
extended,
palm
down, move hand rapidly
right and left.
MULTIPLE
TROLLEYS.
Hold up one finger for
MOVE SLOWLY.
Use one hand to give
any motion signal and
MAGNET IS
DISCONNECTED.
Crane operator spreads
Table 1
block marked “1” and two
fingers for block marked
“2”, Regular signals follow.
place
other
hand
motionless in front of hand
giving the motion signal.
(Hoist slowly shown as
example.)
both hands apart – palms up.